Giants coach Tom Coughlin revealed here Friday that he has agreed to a one-year extension that will take his contract through the 2015 season.

“It’s still getting done, but it’s been agreed to,” Coughlin said during an appearance at the NFL scouting combine.

The extension means that Coughlin — the oldest coach in the NFL at age 67 — won’t be a lame duck this fall as he tries to lead the Giants back to the playoffs after a two-year absence. Coughlin said he didn’t push for anything more than one extra year because that length is ownership’s policy for most coaching extensions.

Coughlin had been entering the final year of a three-year extension he received after winning the Super Bowl in 2012 that pays him $6.7 million per year.